顺序表之合并

#include<stdio.h>
#include<malloc.h>
typedef struct student
{
    char jb[6];
    char xh[15];
    int score;
}stu;
typedef struct Node
{
    stu date;
    struct Node *next;
}SLNode;

void ListInitiate(SLNode **head)//初始化
{
    *head=(SLNode *)malloc(sizeof(SLNode));
    (*head)->next=NULL;
}
int ListInsert(SLNode *head,int i,stu x)//插入
{
    SLNode *p,*q;
    int j;
    p=head;
    j=-1;
    while(p->next!=NULL && j<i-1)
    {
        p=p->next;
        j++;
    }
    if(j!=i-1)
    {
        printf("插入参数位置错误！ ");
        return 0;
    }
    q=(SLNode *)malloc(sizeof(SLNode));
    q->date=x;
    q->next=p->next;
    p->next=q;
    return 1;

}
int ListLength(SLNode * head)//长度
{
    SLNode *p=head;
    int size=0;
    while(p->next!=NULL)
    {
        p=p->next;
        size++;
    }
    return size;
}
int ListDelete(SLNode *head,int i,stu *x)//删除
{
    SLNode *p,*q;
    int j;
    p=head;
    j=-1;
    while(p->next!=NULL &&p->next->next!=NULL&&j<i-1)
    {
        p=p->next;
        j++;
    }
    if(j!=i-1)
    {
        return 0;
    }
    q=p->next;
    *x=q->date;
    p->next=p->next->next;
    free(q);
    return 1;
}
int ListGet(SLNode *head,int i,stu *x)//取
{
    SLNode *p;
    int j;
    p=head;
    j=-1;
    while(p->next!=NULL &&j<i)
    {
        p=p->next;
        j++;
    }
    if(j!= i)
    {
        return 0;
    }
    *x=p->date;
    return 1;
} 

 main()
{
    SLNode *head,*head1,*head2;
    int t,n,m;
    stu s,k;
    int j=0,x=0,i=0;
    ListInitiate(&head);
    ListInitiate(&head1);
    ListInitiate(&head2);
    scanf("%d",&n);
    while(n--)
    {
        scanf("%s%s%d",&s.jb,&s.xh,&s.score);
        ListInsert(head,ListLength(head),s);
    }
    scanf("%d",&m);
    while(m--)
    {
        scanf("%s%s%d",&s.jb,&s.xh,&s.score);
        ListInsert(head1,ListLength(head1),s);
    }

    while(j+i<ListLength(head)+ListLength(head1)&&(j<ListLength(head)&&i<ListLength(head1)))
    {
        ListGet(head,j,&s);
        ListGet(head1,i,&k);
        if(s.score>=k.score)
        {
            ListInsert(head2,x,s);
            j++;
            x++;
        }
        else
        {
            ListInsert(head2,x,k);
            i++;
            x++;
        }
    }
    if(j<ListLength(head))
        while(j<=ListLength(head)-1)
        {
            ListGet(head,j,&s);
            ListInsert(head2,x,s);
            x++;
            j++;
        }
    else if(i<ListLength(head1))
    {
        while(i<=ListLength(head1)-1)
        {
        ListGet(head1,i,&s);
            ListInsert(head2,x,s);
            x++;
            i++;
        }

    }
    for(i=0;i<ListLength(head2);i++)
    {
        ListGet(head2,i,&s);
        printf("%s %s %d\n",s.jb,s.xh,s.score);
    }

}